and the technology to pull it together. five years ago it could have occurred and we might not have had nearly the digital record that was developed in this case. one can only imagine had there not been the video and photographic evidence of the perpetrators. >> thank you. we are told the suspect suffering from at least one gunshot wound and blood loss. not known if they are fresh wounds from tonight's exchange of fire. he's being taken to mount auburn hospital in cambridge. the same hospital where transit police officer is recovering from a gunshot wound by either this kid or his older brother last night. this is a time to read a sad statement from the family of sean collier, the police officer killed last night on the m.i.t. campus. family has released an official photograph along with these words. we are heart broken by the loss of our wonderful and caring son and brother, sean collier. our only solace is that sean died bravely doing what he committed his life to do -- serving and protecting others. we are thankful for t